alias: o,o-diethyl o-3,5,6-trichloro-2-pyridyl phosphorothioate; ansi; iso; bsi; dowco179; ent27311; o,o-diethyl-o-(3,5,6-trichloro-2-pyridyl)phos-phorothioate; clorpyrifos; phosphorothioic acid o,o-diethyl o-(3,5,6-trichloro-2-pyridinyl) ester; chlorpyritos; eradex; lorsban; trichlorpyrphos; chlorpyriphos; o,o-diethyl o-(3,5,6-trichloropyridin-2-yl) phosphorothioate; o,o-diethyl s-(3,5,6-trichloropyridin-2-yl) thiophosphate
appearance: white crystal